#!/bin/bash
if [ -z $1 ]; then
    echo "Defaulting to wlan0 for wifi device"
    wifi=wlan0
else
    echo "Using $1 for wifi device"
    wifi=$1
fi

check_package () {
    which -s $1 1>/dev/null 2>/dev/null
    package_check=$?

    if [ $package_check -ne 0 ]; then
        echo "FAIL: $1 is not installed, exiting"
        exit
    fi
}

check_package airmon-ng
check_package airodump-ng

wifi_mon="${wifi}mon" # name the monitor device

# seems to be fuckin errything up
sudo airmon-ng check kill # clean up any existing bullshit
echo $?

sudo airmon-ng start $wifi # start the device
echo $?

sudo airodump-ng $wifi_mon # put it in monitor mode
echo $?

echo "Done! Use wifi device $wifi_mon"